content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.interop.internal.operators;
  
  import static io.reactivex.interop.RxJava3Interop.toSortedList;
  import static org.junit.Assert.assertEquals;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.Mockito.*;
  
  import java.util.*;
  import java.util.concurrent.*;
  
  import org.junit.*;
  import org.mockito.Mockito;
  
  import io.reactivex.common.*;
  import io.reactivex.flowable.Flowable;
  import io.reactivex.flowable.processors.PublishProcessor;
  import io.reactivex.interop.TestHelper;
  import io.reactivex.observable.*;
  import io.reactivex.observable.observers.TestObserver;
  
  public class FlowableToSortedListTest {
  
      @Test
      public void testSortedList() {
          Flowable<Integer> w = Flowable.just(1, 3, 2, 5, 4);
          Single<List<Integer>> observable = toSortedList(w);
  
          SingleObserver<List<Integer>> observer = TestHelper.mockSingleObserver();
          observable.subscribe(observer);
          verify(observer, times(1)).onSuccess(Arrays.asList(1, 2, 3, 4, 5));
          verify(observer, Mockito.never()).onError(any(Throwable.class));
      }
  
      @Test
      public void testSortedListWithCustomFunction() {
          Flowable<Integer> w = Flowable.just(1, 3, 2, 5, 4);
          Single<List<Integer>> observable = toSortedList(w, new Comparator<Integer>() {
  
              @Override
              public int compare(Integer t1, Integer t2) {
                  return t2 - t1;
              }
  
          });
  
          SingleObserver<List<Integer>> observer = TestHelper.mockSingleObserver();
          observable.subscribe(observer);
          verify(observer, times(1)).onSuccess(Arrays.asList(5, 4, 3, 2, 1));
          verify(observer, Mockito.never()).onError(any(Throwable.class));
      }
  
      @Test
      public void testWithFollowingFirst() {
          Flowable<Integer> o = Flowable.just(1, 3, 2, 5, 4);
          assertEquals(Arrays.asList(1, 2, 3, 4, 5), toSortedList(o).blockingGet());
      }
      @Test
      @Ignore("Single doesn't do backpressure")
      public void testBackpressureHonored() {
          Single<List<Integer>> w = toSortedList(Flowable.just(1, 3, 2, 5, 4));
          TestObserver<List<Integer>> ts = new TestObserver<List<Integer>>();
  
          w.subscribe(ts);
  
          ts.assertNoValues();
          ts.assertNoErrors();
          ts.assertNotComplete();
  
  //        ts.request(1);
  
          ts.assertValue(Arrays.asList(1, 2, 3, 4, 5));
          ts.assertNoErrors();
          ts.assertComplete();
  
  //        ts.request(1);
  
          ts.assertValue(Arrays.asList(1, 2, 3, 4, 5));
          ts.assertNoErrors();
          ts.assertComplete();
      }
  
      @Test(timeout = 2000)
      @Ignore("PublishProcessor no longer emits without requests so this test fails due to the race of onComplete and request")
      public void testAsyncRequested() {
          Scheduler.Worker w = Schedulers.newThread().createWorker();
          try {
              for (int i = 0; i < 1000; i++) {
                  if (i % 50 == 0) {
                      System.out.println("testAsyncRequested -> " + i);
                  }
                  PublishProcessor<Integer> source = PublishProcessor.create();
                  Single<List<Integer>> sorted = toSortedList(source);
  
                  final CyclicBarrier cb = new CyclicBarrier(2);
                  final TestObserver<List<Integer>> ts = new TestObserver<List<Integer>>();
                  sorted.subscribe(ts);
                  w.schedule(new Runnable() {
                      @Override
                      public void run() {
                          await(cb);
  //                        ts.request(1);
                      }
                  });
                  source.onNext(1);
                  await(cb);
                  source.onComplete();
                  ts.awaitTerminalEvent(1, TimeUnit.SECONDS);
                  ts.assertTerminated();
                  ts.assertNoErrors();
                  ts.assertValue(Arrays.asList(1));
              }
          } finally {
              w.dispose();
          }
      }
      static void await(CyclicBarrier cb) {
          try {
              cb.await();
          } catch (InterruptedException ex) {
              ex.printStackTrace();
          } catch (BrokenBarrierException ex) {
              ex.printStackTrace();
          }
      }
  
      @SuppressWarnings("unchecked")
      @Test
      public void toSortedListCapacity() {
          Flowable.just(5, 1, 2, 4, 3).toSortedList(4)
          .test()
          .assertResult(Arrays.asList(1, 2, 3, 4, 5));
      }
  
      @SuppressWarnings("unchecked")
      @Test
      public void toSortedListComparatorCapacity() {
          Flowable.just(5, 1, 2, 4, 3).toSortedList(new Comparator<Integer>() {
              @Override
              public int compare(Integer a, Integer b) {
                  return b - a;
              }
          }, 4)
          .test()
          .assertResult(Arrays.asList(5, 4, 3, 2, 1));
      }
  }
  